CVE-2025-53636: Osc Ondemand

Medium severity, CVSS 5.4. EPSS: 0.3% chance of exploitation in the next 30 days.

Open OnDemand is an open-source HPC portal. Users can flood logs by interacting with the shell app and generating many errors. Users who flood logs can create very large log files causing a Denial of Service (DoS) to the ondemand system. This vulnerability is fixed in 3.1.14 and 4.0.6.

Affected products

• Osc Ondemand: from 1.6, before 3.1.14 (fixed in 3.1.14); from 4.0.0-0.rc1, before 4.0.6 (fixed in 4.0.6)

Published 2025-07-11. Last modified 2026-06-17.